diff options
Diffstat (limited to 'man7/tcp.7')
| -rw-r--r-- | man7/tcp.7 | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/man7/tcp.7 b/man7/tcp.7 index d89a65cca7..d3cf0f993f 100644 --- a/man7/tcp.7 +++ b/man7/tcp.7 @@ -28,7 +28,8 @@ full-duplex connection between two sockets on top of for both v4 and v6 versions. TCP guarantees that the data arrives in order and retransmits lost packets. -It generates and checks a per-packet checksum to catch transmission errors. +It generates and checks a per-packet checksum to catch +transmission errors. TCP does not preserve record boundaries. A newly created TCP socket has no remote or local address and is not @@ -86,7 +87,8 @@ call, and so a succeeding call will not return the same size of buffer as requested in the .BR setsockopt (2) -call. TCP uses the extra space for administrative purposes and internal +call. +TCP uses the extra space for administrative purposes and internal kernel structures, and the sysctl variables reflect the larger sizes compared to the actual TCP windows. On individual connections, the socket buffer size must be |